Answer:
72
Step-by-step explanation:
Based on the table, the left and the right side have a pattern. When 3 is added to the left side, the right side is multiplied by 6. Since 12 multiplied by 6 is 72, the missing number is 72.
Answer:
t+4, t≠8
Step-by-step explanation:

The value of t must not be one that makes the denominator zero, hence must not be 8.
Answer: No
Step-by-step explanation:Divide 4 from both sides to find that x actually equals 13.5